ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(22)
Published: Aug. 12, 2024
Abstract
Alkaline
water
splitting
has
shown
great
potential
for
industrial‐scale
hydrogen
production.
However,
its
broad
application
is
constrained
by
evolution
reaction
(HER)
electrocatalysts,
which
struggle
to
achieve
optimal
current
density
at
low
overpotential.
The
utilization
of
the
spillover
effect
augment
performance
HER
represents
a
burgeoning
area
research.
Although
previous
studies
mainly
focused
on
in
acidic
media,
latest
have
that
also
exists
under
alkaline
conditions,
and
role
improving
cannot
be
ignored.
This
review
examines
mechanisms
elucidating
distinctive
behavior
these
environments
influence
catalytic
processes.
At
same
time
characterization
methods
are
systematically
summarized,
technologies
understanding
control
release
process
provides
strong
support.
Finally,
recent
electrocatalysts
enhance
comprehensively
sorted
out
summarized.
not
only
demonstrate
practical
value
but
provide
new
directions
future
design
optimization
electrocatalysts.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(20), P. 4885 - 4910
Published: Jan. 1, 2024
Hydrogen,
as
a
clean
and
renewable
energy
source,
is
promising
candidate
to
replace
fossil
fuels
alleviate
the
environmental
crisis.
Compared
with
traditional
H-type
cells
finite-gap,
design
of
membrane
electrodes
can
reduce
gas
transmission
resistance,
enhance
current
density,
improve
efficiency
hydrogen
production.
However,
harsh
environment
in
electrolyser
makes
electrode
based
water
electrolysis
technology
still
limited
by
lack
catalyst
activity
stability
under
working
conditions.
Due
abundant
active
sites
structural
flexibility,
amorphous
nanocatalysts
are
alternatives.
In
this
paper,
we
review
recent
research
progress
nanomaterials
electrocatalysts
for
production
at
electrodes,
illustrate
discuss
their
advantages
catalytic
systems,
well
explore
significance
structure
development
systems.
Finally,
article
also
looks
future
opportunities
adaptations
catalysts
electrodes.
The
authors
hope
that
will
deepen
understanding
potential
application
electrochemical
production,
facilitating
new
sustainable
pathways
ChemCatChem,
Journal Year:
2024,
Volume and Issue:
16(22)
Published: Aug. 12, 2024
Abstract
Alkaline
water
splitting
has
shown
great
potential
for
industrial‐scale
hydrogen
production.
However,
its
broad
application
is
constrained
by
evolution
reaction
(HER)
electrocatalysts,
which
struggle
to
achieve
optimal
current
density
at
low
overpotential.
The
utilization
of
the
spillover
effect
augment
performance
HER
represents
a
burgeoning
area
research.
Although
previous
studies
mainly
focused
on
in
acidic
media,
latest
have
that
also
exists
under
alkaline
conditions,
and
role
improving
cannot
be
ignored.
This
review
examines
mechanisms
elucidating
distinctive
behavior
these
environments
influence
catalytic
processes.
At
same
time
characterization
methods
are
systematically
summarized,
technologies
understanding
control
release
process
provides
strong
support.
Finally,
recent
electrocatalysts
enhance
comprehensively
sorted
out
summarized.
not
only
demonstrate
practical
value
but
provide
new
directions
future
design
optimization
electrocatalysts.
